1.	To what set of numbers does belong?
		A.	whole numbers	B.	rationals
		C.	integers	D.	irrationals
		Hint
	2.	Simplify
		A.		B.
		C.		D.	72
		Hint
	3.	Write and in order from least to greatest.
		A.
		B.
		C.
		D.
		Hint
	4.	Simplify:
		A.	no real roots	B.	16
		C.		D.	-16
		Hint
	5.	Which of the following is not a condition of a radical expression in simplest form?
		A.	No radicals appear in the denominator of a fraction.
		B.	No radicands contain fractions.
		C.	No radicands have perfect square factors other than 1.
		D.	No radicals appear in the numerator of a fraction.
		Hint